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From er...@apache.org
Subject svn commit: r1030885 - /commons/proper/math/trunk/src/main/java/org/apache/commons/math/optimization/direct/AbstractSimplex.java
Date Thu, 04 Nov 2010 11:21:19 GMT
Author: erans
Date: Thu Nov  4 11:21:19 2010
New Revision: 1030885

URL: http://svn.apache.org/viewvc?rev=1030885&view=rev
Log:
MATH-428
Added a constructor.

Modified:
    commons/proper/math/trunk/src/main/java/org/apache/commons/math/optimization/direct/AbstractSimplex.java

Modified: commons/proper/math/trunk/src/main/java/org/apache/commons/math/optimization/direct/AbstractSimplex.java
URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/main/java/org/apache/commons/math/optimization/direct/AbstractSimplex.java?rev=1030885&r1=1030884&r2=1030885&view=diff
==============================================================================
--- commons/proper/math/trunk/src/main/java/org/apache/commons/math/optimization/direct/AbstractSimplex.java
(original)
+++ commons/proper/math/trunk/src/main/java/org/apache/commons/math/optimization/direct/AbstractSimplex.java
Thu Nov  4 11:21:19 2010
@@ -57,13 +57,23 @@ public abstract class AbstractSimplex {
     private final int dimension;
 
     /**
-     * Default constructor.
-     * Build a unit hypercube.
+     * Build a unit hypercube simplex.
      *
      * @param n Dimension of the simplex.
      */
     protected AbstractSimplex(int n) {
-        this(createUnitHypercubeSteps(n));
+        this(n, 1d);
+    }
+
+    /**
+     * Build a hypercube simplex with the given side length.
+     *
+     * @param n Dimension of the simplex.
+     * @param sideLength Length of the sides of the hypercube.
+     */
+    protected AbstractSimplex(int n,
+                              double sideLength) {
+        this(createHypercubeSteps(n, sideLength));
     }
 
     /**
@@ -328,12 +338,14 @@ public abstract class AbstractSimplex {
      * Create steps for a unit hypercube.
      *
      * @param n Dimension of the hypercube.
-     * @return unit steps.
+     * @param sideLength Length of the sides of the hypercube.
+     * @return the steps.
      */
-    private static double[] createUnitHypercubeSteps(int n) {
+    private static double[] createHypercubeSteps(int n,
+                                                 double sideLength) {
         final double[] steps = new double[n];
         for (int i = 0; i < n; i++) {
-            steps[i] = 1;
+            steps[i] = sideLength;
         }
         return steps;
     }



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